Submission #872473

#	Time	Username	Problem	Language	Result	Execution time	Memory
872473		karimov	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
#define FAST ios_base::sync_with_stdio(false); cin.tie(NULL);
#define fio(x) freopen(x".in","r",stdin);freopen(x".out","w",stdout)
void YES(bool t=1){std::cout<<(t?"YES\n":"NO\n");}
void NO(bool t=1){YES(!t);}
const int MOD = 1000000007;
#define pb push_back
#define ll long long
#define all(x) (x).begin(), (x).end()

vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size();
	int sum=0,left=1,right=1;
	vector<int> arr(n+1);
	arr[0]=0;
	for(int i = 1; i < n+1; i++) {
		arr[i] = arr[i-1]+w[i-1];
	}
	vector<int>ans;
	while(right < n) {
		int x = arr[right]-arr[left-1];
		// cout << x << endl;
		if(x < l)right++;
		else if(x > u)left++;
		if(x >= l && x <= u) {
			for(int i = left; i <= right; i++) {
				ans.pb(i);
			}
			break;
		}
		if(left > right)right++;
		
	}
	return ans;
}

void solve() {
	int n,l,u;
	cin >> n >> l >> u;
	vector<int> arr(n);
	for(auto &it:arr)cin>>it;
	vector<int> v = find_subset(l,u,arr);
	for(auto it : v) cout << it << " " ;
}

int main() {
	FAST
	solve();
	return 0;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:14:6: warning: unused variable 'sum' [-Wunused-variable]
   14 |  int sum=0,left=1,right=1;
      |      ^~~
/usr/bin/ld: /tmp/ccny1Fyt.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccvFpScr.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status